/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMCompiler/RigVMAST.h
Disable copy constructor
FRigVMExternalVarExprAST ( const [FRigVMExternalVarExprAST](API\Plugins\RigVMDeveloper\RigVMCompiler\FRigVMExternalVarExprAST) & )